add parameter 'selection'

arkindex/dataimport/serializers/imports.py

@@ -200,6 +200,7 @@ class ElementsWorkflowSerializer(serializers.Serializer):
     element = serializers.PrimaryKeyRelatedField(queryset=Element.objects.none(), required=False)
     name = serializers.CharField(required=False)
     type = serializers.SlugField(required=False)
+    selection = serializers.BooleanField(default=False)
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -224,7 +225,12 @@ class ElementsWorkflowSerializer(serializers.Serializer):
         element = data.get('element')
         name = data.get('name')
         elt_type = data.get('type')
+        selection = data.get('selection')
 
+        if selection and (element or name or elt_type):
+            raise serializers.ValidationError({
+                '__all__': ['Filtering parameters (element, name, type) cannot be used with selection parameter']
+            })
         if element and (name or elt_type):
             raise serializers.ValidationError({
                 '__all__': ['Filtering parameters (name, type) cannot be used with element parameter']